CQM-44 Initial version of cqpkg tool - skeleton
CQM-44 Full working alpha version of cqpkg tool
CQM-44 Improved tool (errors detection/reporting)

Added error detection, zip utility detection.
CQM-44 Tool to define empty CRX package (cqpkg).
CQM-44 Updated README.md with cqpkg description

CQM-44 Tool to define empty CRX package (cqpkg)
CQM-44 Changed messages and examples for cqpkg
CQM-44 Added -o outputfile option for cqpkg
CQM-114 cqpkg protected against name arg with space
CQM-127 ZIP filename now include version
CQM-126 Improved usage message
CQM-44 Removed superfluous code. Cleanup

* Improved formatting
* Variables are formatted with curly braces {}
CQM-132 Option descriptions are now unified.
CQM-130 Fixed line endings for zip archive members
CQM-44 Improved user messages
CQM-44 Variables are referenced by curly braces
CQM-133 Added option to set package description
CQM-133 Added -d option description
CQM-127 Added single-quotes for filename summary.
CQM-109 Problem with accessing tools with whitespace characters included in path

* Secured: cqpkg tool
CQM-109 Fixed accessing cqpkg with whitespace characters included in path
CQM-141 Fixed invalid zip when no group specified

* entry tag for group key is required for package to be valid